cross correlation

Martin Lüthi answer at
Wed Oct 2 10:52:07 CEST 2002

Fernando Pérez <fperez528 at> writes:

> In [2]: Numeric.cross_correlate ?
> Type:           builtin_function_or_method
> Base Class:     <type 'builtin_function_or_method'>
> String Form:    <built-in function cross_correlate>
> Namespace:      Currently not defined in user session.
> Docstring:
>     cross_correlate(a,v)

This looks very useful, which environment allows to use "?" for documentation?


Martin Lüthi                 answer at

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